1. University of Bern, Institute of Tissue Medicine and Pathology, Bern, Switzerland
2. Bern University Hospital, University of Bern, Department of Neurosurgery, Inselspital, Bern, Switzerland
3. University of Bern, Inselspital, Bern University Hospital, University Institute of Diagnostic and Interventional Radiology, Support Center for Advanced Neuroimaging, Bern, Switzerland
4. IP Paris, École Polytechnique, CNRS, LPICM, Palaiseau, France
5. Lausanne University Hospital and University of Lausanne, Institute of Pathology, Lausanne, Switzerland